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342443401 = 521657281
BaseRepresentation
bin10100011010010…
…100010110001001
3212212100221000221
4110122110112021
51200131142101
653551430041
711325502156
oct2432242611
9785327027
10342443401
11166333883
1296825321
1355c3b841
14336a122d
15200e4aa1
hex14694589

342443401 has 4 divisors (see below), whose sum is σ = 343101204. Its totient is φ = 341785600.

The previous prime is 342443377. The next prime is 342443411. The reversal of 342443401 is 104344243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90269001 + 252174400 = 9501^2 + 15880^2 .

It is a cyclic number.

It is not a de Polignac number, because 342443401 - 25 = 342443369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342443411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328120 + ... + 329161.

It is an arithmetic number, because the mean of its divisors is an integer number (85775301).

Almost surely, 2342443401 is an apocalyptic number.

It is an amenable number.

342443401 is a deficient number, since it is larger than the sum of its proper divisors (657803).

342443401 is an equidigital number, since it uses as much as digits as its factorization.

342443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657802.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 342443401 is about 18505.2263158276. The cubic root of 342443401 is about 699.6211562292.

Adding to 342443401 its reverse (104344243), we get a palindrome (446787644).

The spelling of 342443401 in words is "three hundred forty-two million, four hundred forty-three thousand, four hundred one".

Divisors: 1 521 657281 342443401